Vat Blue/Indigo Blue 94% for Denim Dyeing

Basic Info.

Model NO.	Indigo-05
Kind	Textile Dyestuff Chemical
Appearance	Granulars
Application	Textile Printing Auxiliary, Dying Auxiliary
Steam Pressure	1.27e-06mmhg at 25°c
Moisture	1% Max
Density	Natural Indigo
Boiling Point	1.417g/cm3
Loading Quantity	11mt/20′container
Sample	Available
Storage	Dry Place
Flash Point	158.2 ° C
Type	Vat Dye
Indigo pH Range	9.5-10.5
Melting Point	400.4 ° C at 760 Mmhg
Indigo Content of Ferric Ions	≤200ppm
Other Name	Blue Indigo/Indigo
Mf	C16h10n2o2
Product Name	Indigo Blue
Transport Package	25 Kgs Net Bag
Specification	94% min
Trademark	Kelai
Origin	Henan, China
HS Code	3204159000
Production Capacity	15000mt Per Year

Product Description

Vat Blue/Indigo blue 94% powder For Denim Dyeing Basic informationIndigo Blue:coloring matler index C.1 revert blue (73000). Indigo bule is an important organic dye, for dyeing on cotton fabrics and jeans and making up indigo bromide,or made into organic

Cas No.	482-89-3
Colour Index	Vat Blue 1
Appearance	Dark blue, Powder, Granular
Strength	80%~94%
HS Code	32041510
MF	C16H10N2O2
Relative molecular weight	262.27(according to the International molecular weight of 1983
Colour light	Similar as the standard sample
Content	≥93.0%,94.0%
Moisture content	≤1.0%
Strength	Equal to 100 percent of the standard sample
PH Range	9.5-10.5
Content of ferric ions	≤200PPM
Properties	It is insoluble in water and alcohol.It is soluble in hot Aniline

Nature:the appearance is dark blue even grains.It dissolves in hot anilin,but not in water. It turns yellow green when meeting the oil of vitriol.It is yellow in alkaline rongalite revert liquid and white in acidic liquid. Specification of Indigo blue 94%

Indigo

Products name Indigo(C.I Vat Blue 1#) molecular formula C16H10N2O2 molecular weight 262 test condition HG/T 2750-1996 appearance dark-blue uniform powder or granule (1)original powder content %≥94.0 particbe size(60mesh) %≥96.0 moisture %≤1.0 Fe3+ <200PPM (2) pelleting content %≥94.0 moisture %≤1.0 Fe3+ <200PPM (3)Promoter content %≥93.0 moisture %≤0.8 Fe3+ <200PPM

UsageIt is mainly used to dye cotton fibre .The pop "cowboy" clothes mostly are made by indigo blue dying longitudinal yarn and white yarn interweaving;It can be used with sulfurated coloring matter;Also we can get indigo white,bromized indigo blue from it,they are well used in food coloring matter, biochemistry etc.
Package25KG Plastic-Woven Bag with double polyester liner Storage & TransportationThe product must be stored in shade, dry & well-ventilated warehouse. Avoid to be contacted with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks and open flames. Carefully handle the product and avoid damaging the package.

Why choosing us:
1. Over 10 years' export experience in the chemical industry with professional sevice. 2. Strong professional team to develop product and control mass production quality.3. Usually the standard of PHASE-I is between 10%--30%, we can adjust it based on buyer's demand.